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- # Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
- # For details: https://github.com/PyCQA/astroid/blob/main/LICENSE
- # Copyright (c) https://github.com/PyCQA/astroid/blob/main/CONTRIBUTORS.txt
- from __future__ import annotations
- import collections.abc
- from typing import TypeVar
- from astroid import nodes
- from astroid.manager import AstroidManager
- _NodeT = TypeVar("_NodeT", bound=nodes.NodeNG)
- def _clone_node_with_lineno(
- node: _NodeT, parent: nodes.NodeNG, lineno: int | None
- ) -> _NodeT:
- cls = node.__class__
- other_fields = node._other_fields
- _astroid_fields = node._astroid_fields
- init_params = {"lineno": lineno, "col_offset": node.col_offset, "parent": parent}
- postinit_params = {param: getattr(node, param) for param in _astroid_fields}
- if other_fields:
- init_params.update({param: getattr(node, param) for param in other_fields})
- new_node = cls(**init_params)
- if hasattr(node, "postinit") and _astroid_fields:
- for param, child in postinit_params.items():
- if child and not isinstance(child, collections.abc.Sequence):
- cloned_child = _clone_node_with_lineno(
- node=child, lineno=new_node.lineno, parent=new_node
- )
- postinit_params[param] = cloned_child
- new_node.postinit(**postinit_params)
- return new_node
- def _transform_formatted_value( # pylint: disable=inconsistent-return-statements
- node: nodes.FormattedValue,
- ) -> nodes.FormattedValue | None:
- if node.value and node.value.lineno == 1:
- if node.lineno != node.value.lineno:
- new_node = nodes.FormattedValue(
- lineno=node.lineno, col_offset=node.col_offset, parent=node.parent
- )
- new_value = _clone_node_with_lineno(
- node=node.value, lineno=node.lineno, parent=new_node
- )
- new_node.postinit(
- value=new_value,
- conversion=node.conversion,
- format_spec=node.format_spec,
- )
- return new_node
- # TODO: this fix tries to *patch* http://bugs.python.org/issue29051
- # The problem is that FormattedValue.value, which is a Name node,
- # has wrong line numbers, usually 1. This creates problems for pylint,
- # which expects correct line numbers for things such as message control.
- AstroidManager().register_transform(nodes.FormattedValue, _transform_formatted_value)
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